Takes any object and converts it to a tuple.
If the object is already a tuple it is just returned,
If the object is None an empty tuple is returned,
Else a tuple is created with the object as it’s first element.

Takes any object and converts it to a list.
If the object is already a list it is just returned,
If the object is None an empty list is returned,
Else a list is created with the object as it’s first element.